--- title: "BaseViewer Properties " canonical: https://www.graphicsmill.com/docs/gm5/Properties_T_J_GraphicsMill_BaseViewer.htm product: "Graphics Mill 5.5 for .NET" --- This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/) # BaseViewer Properties The [BaseViewer](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_BaseViewer.htm.md) type exposes the following members. ## Properties | | Name | Description | | --- | --- | --- | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [autoPostBack](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_autoPostBack.htm.md) | Gets/sets a value indicating whether a postback to the server automatically occurs when the user zooms or scrolls the content. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [borderWidth](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_borderWidth.htm.md) | Gets the width (in pixels) of the control border. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [clientSideOptions](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_clientSideOptions.htm.md) | Gets values which configure automatic postback for individual events. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [contentHeight](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_contentHeight.htm.md) | Gets a value that represents the height of the control's content taking into account its vertical resolution and zoom value. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [contentWidth](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_contentWidth.htm.md) | Gets a value that represents the width of the control's content taking into account its horizontal resolution and zoom value. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [delayedRefreshTimeout](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_delayedRefreshTimeout.htm.md) | Amount of milliseconds to wait before delayed refresh will be invoked. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [element](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_element.htm.md) | | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [events](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_events.htm.md) | | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [exceptionDescription](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_exceptionDescription.htm.md) | When a remote scripting method fails, this method returns the exception description. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [height](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_height.htm.md) | Gets the height (in pixels) of the control area. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [id](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_id.htm.md) | | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [isInitialized](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_isInitialized.htm.md) | | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [isUpdating](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_isUpdating.htm.md) | | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [maxZoom](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_maxZoom.htm.md) | Gets the maximum allowed zoom value. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [minZoom](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_minZoom.htm.md) | Gets the minimum allowed zoom value. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [navigator](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_navigator.htm.md) | Gets/sets the navigator control ID (i.e. value stored in the attribute **id** of the tag that inserts the control). | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [parent](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_parent.htm.md) | | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [returnValue](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_returnValue.htm.md) | When a remote scripting method is completed, this method returns its return value. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [rubberband](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_rubberband.htm.md) | Gets/sets the rubberband control ID (i.e. value stored in the attribute **id** of the tag that inserts the control). | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [rulerEnabled](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_rulerEnabled.htm.md) | Gets or sets a value indicating whether to show the ruler. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [rulerScale](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_rulerScale.htm.md) | Gets or sets the ruler scale. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [rulerWidth](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_rulerWidth.htm.md) | Gets or sets the ruler width. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [screenXDpi](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_screenXDpi.htm.md) | Gets a value representing horizontal resolution in DPI used to show content in the browser. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [screenYDpi](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_screenYDpi.htm.md) | Gets a value representing vertical resolution in DPI used to show content in the browser. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [scrollBarsStyle](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_scrollBarsStyle.htm.md) | Gets a value that specifies whether to display scroll bars and whether to hide them automatically when the displayed content is less than the control size. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [scrollBarWidth](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_scrollBarWidth.htm.md) | Gets a value that represents a scroll bar width (in pixels) in calculations. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [scrollingPosition](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_scrollingPosition.htm.md) | Gets/sets the position of the scroll bars. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [scrollingSize](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_scrollingSize.htm.md) | Gets a scroll bar length (in other words, the right-bottom point of the image fragment which is out of the visible area). | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [status](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_status.htm.md) | Gets a current Viewer status. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [viewportAlignment](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_viewportAlignment.htm.md) | Gets/sets a value that specifies content alignment in the control. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [visibilityMode](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_visibilityMode.htm.md) | | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [visible](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_visible.htm.md) | | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [width](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_width.htm.md) | Gets the width (in pixels) of the control area. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [zoom](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_zoom.htm.md) | Gets/sets the current zoom value. | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [zoomMode](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_zoomMode.htm.md) | Gets/sets a value that specifies content zoom mode of the control (automatic or manual). | | ![Public property](https://www.graphicsmill.com/docs/gm5/icons/pubproperty.gif) | [zoomQuality](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BaseViewer_zoomQuality.htm.md) | Gets a value that specifies a zoom quality. | ## See Also ### Reference - [BaseViewer Class](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_BaseViewer.htm.md) - [GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_J_GraphicsMill.htm.md)